Keyphrases
- test collection
- web retrieval
- patent retrieval
- trec web
- retrieval effectiveness
- cross language information retrieval
- evaluation metrics
- ir evaluation
- document collections
- relevant documents
- language model
- average precision
- database
- cross lingual information retrieval
- information retrieval
- web search
- evaluation framework
- relevance assessments
- information extraction
- probabilistic model
- english chinese
- information retrieval evaluation